Respiratory Medicine
Respiratory Medicine > 2004 > 98 > 9 > 816-820
Respiratory Medicine > 2004 > 98 > 10 > 1008-1015
Respiratory Medicine > 2004 > 98 > 11 > 1051-1062
Respiratory Medicine > 2004 > 98 > 11 > 1087-1092
Respiratory Medicine > 2004 > 98 > 12 > 1214-1221